JK42HS 42mm(NAMA17)common gearbox stepping motor with low priceGenaral Specification:Housing MaterialMetalBearing at OutputBall BearingsMax.Radial Load(12mm from flange)≤20NMax.Shaft Axial Load≤15NRadial Play of Shaft (near to Flange)≤0.06mmAxial Play of Shaft ≤0.3mmBackl......
| Housing Material | Metal |
| Bearing at Output | Ball Bearings |
| Max.Radial Load(12mm from flange) | ≤20N |
| Max.Shaft Axial Load | ≤15N |
| Radial Play of Shaft (near to Flange) | ≤0.06mm |
| Axial Play of Shaft | ≤0.3mm |
| Backlash at No-load | 1.5° |
Model No. | Step Angle | Motor Length | Current /Phase | Resistance /Phase | Inductance /Phase | Holding Torque | # of Leads | Detent Torque | Rotor Inertia | Mass |
| ( °) | (L)mm | A | Ω | mH | kg.cm | No. | g.cm | g.cm | Kg | |
| JK42HS34-1334 | 1.8 | 34 | 1.33 | 2.1 | 2.5 | 2.6 | 4 | 120 | 34 | 0.22 |
| JK42HS40-1304 | 1.8 | 40 | 1.3 | 2.6 | 4.5 | 4.1 | 4 | 150 | 54 | 0.28 |
| JK42HS40-1704 | 1.8 | 40 | 1.7 | 1.5 | 2.3 | 4.2 | 4 | 150 | 54 | 0.28 |
| JK42HS48-1684 | 1.8 | 48 | 1.68 | 1.65 | 2.3 | 4.4 | 4 | 260 | 68 | 0.35 |
| Reduction ratio | 10 | 20 | |
| Number of gear trains | 2 | 3 | |
| Length(mm) | 28.5 | ||
| Peak torque(kg.cm) | 10 | ||
| Backlash at Noload() | 4deg | 3deg | |







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